Vulnerability · Published Apr 2, 2025 · Assigned by cisco
CVE-2025-20139
High 7.5
In plain English
A high-severity security flaw in Cisco Enterprise Chat and Email from Cisco. There are no confirmed reports of exploitation so far. The chance it is exploited in the next 30 days is estimated at 0.7% (higher than 52% of all known vulnerabilities).
Official description
A vulnerability in chat messaging features of Cisco Enterprise Chat and Email (ECE) could allow an unauthenticated, remote attacker to cause a denial of service (DoS) condition. This vulnerability is due to improper validation of user-supplied input to chat entry points. An attacker could exploit this vulnerability by sending malicious requests to a messaging chat entry point in the affected application. A successful exploit could allow the attacker to cause the application to stop responding, resulting in a DoS condition. The application may not recover on its own and may need an administrator to manually restart services to recover.
Affected products (as reported)
| Vendor | Product | Versions |
|---|---|---|
| Cisco | Cisco Enterprise Chat and Email | 11.5(1)11.6(1)11.6(1)_ES211.6(1)_ES311.6(1)_ES411.6(1)_ES511.6(1)_ES611.6(1)_ES10 |
Weakness: CWE-185 · Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H